<template>
  <div class="container">
    <div class="app-container">
      <el-button class="btn-add" size="mini" type="primary" @click="hAdd(0,1)">添加权限</el-button>
      <el-table :data="list" row-key="id">
        <el-table-column label="名称" prop="name" />
        <el-table-column label="标识" prop="code" />
        <el-table-column label="描述" prop="description" />
        <el-table-column label="操作">
          <template #default="{row}">
            <!-- 如果当前行的type=2,说明是二级权限，则不能有添加按钮 -->
            <el-button v-if="row.type === 1" size="mini" type="text" @click="hAdd(row.id,2)">添加</el-button>
            <el-button size="mini" type="text" @click="hEdit(row.id)">编辑</el-button>
            <el-button size="mini" type="text" @click="del(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 放置一个弹层 用来编辑新增节点 -->
    <el-dialog :title="`${showText}权限点`" :visible="showDialog" @close="btnCancel">
      <!-- 表单 -->
      <el-form ref="formData" :model="formData" :rules="rules" label-width="120px">
        <el-form-item label="权限名称" prop="name">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限标识" prop="code">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>
        <el-form-item label="开启">
          <el-switch
            v-model="formData.enVisible"
            active-value="1"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="btnOk">确定</el-button>
          <el-button size="small" @click="btnCancel">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>

  </div>
</template>
<script>
import { getPermission, addPermission, getPermissionDetail, updatePermission, delPermission } from '@/api/permission'
import { arr2tree } from '@/utils'

export default {
  name: 'Permission',
  data() {
    return {
      list: [],
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 默认关闭
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      },
      showDialog: false
    }
  },
  computed: {
    showText() {
      return this.formData.id ? '编辑' : '新增'
    }
  },
  created() {
    this.loadPermission()
  },
  methods: {
    async loadPermission() {
      const res = await getPermission()
      // console.log(res)
      const list = arr2tree(res.data, 0)
      this.list = list
    },
    btnCancel() {
      this.$refs.formData.resetFields()
      this.showDialog = false
    },
    btnOk() {
      if (this.formData.id) {
        this.doEdit()
      } else {
        this.doAdd()
      }
      // this.$refs.formData.validate(valid => {
      //   if (valid) {
      //    if()
      //   }
      // })
    },
    async doAdd() {
      await addPermission(this.formData)
      this.$message.success('添加成功')
      this.loadPermission()
      this.btnCancel()
    },
    hAdd(id, type) {
      this.showDialog = true
      this.formData.pid = id
      this.formData.type = type
    },
    async hEdit(id) {
      this.showDialog = true
      const res = await getPermissionDetail(id)
      this.formData = res.data
    },
    async doEdit() {
      await updatePermission(this.formData)
      this.$message.success('编辑成功')
      this.loadPermission()
      this.btnCancel()
    },
    async del(id) {
      await delPermission(id)
      this.$message.success('删除成功')
      this.loadPermission()
    }
  }
}
</script>
<style>
.btn-add {
  margin: 10px;
}
</style>

